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tester [92]
2 years ago
8

10 red cards and 10 and black cards are placed in a bag. You choose one card and then another without replacing the first card.

What is the probability that the first card will be red and the second card will be black?
Mathematics
1 answer:
d1i1m1o1n [39]2 years ago
3 0

Answer:

50/50

Step-by-step explanation:

The total amount of cards are 20 10 being red, 10 being black

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A triangle has sides with lengths of 7 millimeters, 14 millimeters, and 15 millimeters. Is it a right triangle
Harman [31]

Answer:

Step-by-step explanation:

Property of a right triangle,

(Hypotenuse)² = (leg 1)² + (leg 2)²

If the length of sides of the given triangle are 7mm, 14mm and 15mm.

(15)² = (7)² + (14)²

225 = 49 + 196

225 = 245

False

Therefore, the given triangle is not a right triangle.

6 0
2 years ago
Zach loves to volunteer. Last year, he spent 55 hours feeding and brushing cats at the pet shelter on Mondays. He also spent tim
alexgriva [62]
171-55=x
x= 116
to get the answer plug in the numbers and to check the answer reverse do the problem
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2 years ago
Write the equation of the line that passes through the points (3,4) and (1,5)
Illusion [34]
Hi,

y=  -\frac{1}{2} x+b



8 0
3 years ago
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Can someone help me? I’m confused.
jonny [76]
The answer is 3x10^12 also can i get brainliest please??
8 0
3 years ago
Read 2 more answers
I need help with this somebody help
Mariulka [41]

Answer:

Width: x + 3

(Length, width):

(5,4) (6,5) (7,6)

Step-by-step explanation:

x² + 7x + 12

x² + 4x + 3x + 12

x(x + 4) + 3(x + 4)

(x + 4)(x + 3)

Longer one is the length,

With is (x + 3)

x = 1,

5 × 4

x = 2,

6 × 5

x = 3,

7 × 6

3 0
2 years ago
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